431942 has 8 divisors (see below), whose sum is σ = 740496. Its totient is φ = 185112.

The previous prime is 431933. The next prime is 431947. The reversal of 431942 is 249134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431947) by changing a digit.

431942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15413 + ... + 15440.

It is an arithmetic number, because the mean of its divisors is an integer number (92562).

2⁴³¹⁹⁴² is an apocalyptic number.

431942 is a deficient number, since it is larger than the sum of its proper divisors (308554).

431942 is a wasteful number, since it uses less digits than its factorization.

431942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30862.

The product of its digits is 864, while the sum is 23.

The square root of 431942 is about 657.2229454302. Note that the first 3 decimals coincide. The cubic root of 431942 is about 75.5918797209.

The spelling of 431942 in words is "four hundred thirty-one thousand, nine hundred forty-two".